int128_make64() creates an Int128 from an unsigned 64 bit value; add
a function int128_makes64() creating an Int128 from a signed 64 bit
value.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Message-id: 20210614151007.4545-34-peter.mayd...@linaro.org
---
include/qemu/int128.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/qemu/int128.h b/include/qemu/int128.h
index 52fc2384211..64500385e37 100644
--- a/include/qemu/int128.h
+++ b/include/qemu/int128.h
@@ -11,6 +11,11 @@ static inline Int128 int128_make64(uint64_t a)
return a;
}
+static inline Int128 int128_makes64(int64_t a)
+{
+ return a;
+}
+
static inline Int128 int128_make128(uint64_t lo, uint64_t hi)
{
return (__uint128_t)hi << 64 | lo;
@@ -167,6 +172,11 @@ static inline Int128 int128_make64(uint64_t a)
return (Int128) { a, 0 };
}
+static inline Int128 int128_makes64(int64_t a)
+{
+ return (Int128) { a, a >> 63 };
+}
+
static inline Int128 int128_make128(uint64_t lo, uint64_t hi)
{
return (Int128) { lo, hi };
--
2.20.1
